Plastoquinone PQ), an Electron Carrier of Small Molecular Weight, Is

question 35

Multiple Choice

Plastoquinone PQ) , an electron carrier of small molecular weight, is found in the electron transport chain associated with photosystem II. If PQ is not directly anchored to other membrane or cytoplasmic structures, it is probably

• A) mobile in the thylakoid membrane.
• B) lipid soluble.
• C) a molecule that serves as a shuttle between the electron transport chain and ATP synthase.
• D) both A and B.

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